component
BZX85B15-TR
Public Made by Adomby adom
Vishay Intertech Zener Diodes, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBZX85B15-TR
Vishay Intertech · Zener Diodes · DO-41
BZX85B15-TR from Vishay Intertech, in a DO-41. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode, marked by the cathode identification band on the DO-41 body; connects to the positive side in reverse-biased Zener operation (BZX85B15 VZ 14.7 to 15.3 V at IZT1 = 15 mA). |
| 2 | A | passive | Anode terminal at the opposite axial lead from the cathode band; BZX85B15 power dissipation is max 1300 mW with leads at 4 mm from case kept at ambient temperature. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | DO-41 |
| Category | Diodes |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Zener voltage | VZ | 14.7 | 15 | 15.3 | V | at IZT1 = 15 mA, pulses tp = 5 ms | 3 |
| Reverse leakage current | IR | 0.5 | μA | at VR = 11 V | 3 | ||
| Dynamic resistance | ZZ | 15 | Ω | at IZT1, f = 1 kHz | 3 | ||
| Dynamic resistance (knee) | ZZK | 500 | Ω | at IZT2, f = 1 kHz | 3 | ||
| Temperature coefficient of Zener voltage | αVZ | 0.055 | 0.09 | %/°C | at IZT1 | 3 | |
| Admissible Zener current | IZ | 71 | mA | leads kept at ambient temperature at 10 mm from case | 3 | ||
| Zener voltage tolerance | -2 | 2 | % | suffix B | 1 | ||
| Power dissipation | Ptot | 1300 | mW | leads at 4 mm from case kept at ambient temperature, Tamb = 25 °C | 1 | ||
| Junction temperature | Tj | 175 | °C | 1 | |||
| Storage temperature range | Tstg | -55 | 175 | °C | 1 | ||
| Thermal resistance junction to ambient | RthJA | 110 | K/W | leads at 4 mm from case kept at ambient temperature | 1 | ||
| Test current | IZT1 | 15 | mA | 3 | |||
| Test current | IZT2 | 0.5 | mA | 3 |
CAD (KiCad official)
- Symbol:
BZX85B15-TR - Footprint:
Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal - 3D model: DO-41 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (6 pp, sha256
4ba44e03bd2d422c, retrieved 2026-10-23, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).